The Valve,safety Relief, cataloged under National Stock Number 4820-01-195-0316, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-195-0316 |
| Primary Part Number | 20055R |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | BOLTED |
| Style Designator | ANGLE |
| Material | STEEL COMP 316 STEM |
| Adjustable Pressure Range | +151.0 TO 180.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Material | COPPER ALLOY BODY |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20055R | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 3,313,363 | Naval Ship Systems Command (USA) |
| E8504R51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20055R PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8504 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E8504R51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-195-0316 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-195-0316 has 6 cross-referenced part numbers: 20055R (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 3,313,363 (Naval Ship Systems Command), E8504R51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20055R (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8504 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.
There are 12 known substitutes for 4820-01-195-0316: 3110-00-540-4665, 6685-00-593-1414, 5365-00-698-3422 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20055R: Media for Which Designed: AIR FIRST RESPONSE; Bonnet Type: INSIDE SCREW; Bonnet Attachment Method: BOLTED; Style Designator: ANGLE. 15 total characteristics are documented in the Federal Logistics Information System.